2018年12月大学英语四级考试真题(一)单词：corresponding 相应的 trillion 万亿diesel 柴油 aisle 过道alliance 联盟 macaroni 通心粉reverse 颠倒 prescribe 开药方substantially 基本上 obesity 肥胖paradigm 范式 inflammation 炎症extracted 抽取 aquifers 地下蓄水层depth 深度 desalinating 脱盐pumping 抽取 coastal 沿海的drill 钻 ethical 伦理的句子：Should the cars be programmed to avoid hitting a child running across the road, even if that will put their passengers at risk?如果一个孩子跑过马路，应该避免撞到他们的车吗？It is one thing to AI within a game with clear rules and clear goals.在一个有明确规则和明确目标的游戏中，人工智能是一回事。
He said people will be the winner, whatever the outcome.他说，无论结果如何，人们都将是赢家。
The team at Stamford investigated the aquifers below this depth and found that reserves may be triple what was previously thought.斯坦福德的研究小组调查了这一深度以下的含水层，发现储量可能是先前认为的三倍。
New estimates of the water reserves now go up to 2700 billion cubic meters of freshwater.新估计的水资源储量现在达到27000亿立方米淡水。
2018年6月大学英语四级考试真题（一）renovation 翻新 solarcentury 太阳的investor 投资者 fossil 化石fuel 燃料 skyscraper 摩天大楼per 每 ethos 观念monopoly 垄断 digital 数字的eliminate 消除 dementia 痴呆症cognitive 认知的句子：A fter age 50, it’s quite common to have trouble remembering the names of people, places and things quickly, says Dr. Kirk Daffner of Brigham and Women’s Hospital in Boston.波士顿布里格姆妇女医院的柯克·达夫纳博士说，50岁以后，很容易记不起人、地、物的名字。
And the best defense against memory loss is to try to prevent it by building up your brain’s cognitive reserve, Daffner says.达夫纳说，防止记忆丧失的最好方法是通过建立大脑的认知储备来防止记忆丧失。
The letter is in fairly good condition, in spite of being out if the care of the care of trained museum staff for so long.尽管这封信在训练有素的博物馆工作人员的照管下保存了这么久，但它仍然保存得相当完好。
2019年12月大学英语四级考试真题（二）单词：respiratory 呼吸道 individual 个体，个人prior 先前的 refute 反驳collaborative 合作的 layer 层，层次hijack 劫持 pigment 色素chalk up 归咎于 the filial piety 孝道slug 海蛞蝓 algae 藻类simulated 模拟 inductively 归纳性地句子：A raccoon， a small cat-like animal, climbed to the top of a 25-storey skyscraper early on Wednesday.一只浣熊，一种像猫一样的小动物，周三早上爬上了一座25层的摩天大楼的顶部。
Textbook publishers connect professors, instructors and students in ways that alternatives, such as open e-textbooks and curricula for the coming year.教科书出版商将教授、教师和学生联系起来的方式与其他选择不同，例如开放电子教科书和来年的课程。
The slugs can manufacture chlorophyll, the green pigment in plants that captures energy from sunlight,and hold these genes within their body.蛞蝓可以制造叶绿素，植物中的绿色色素，从阳光中获取能量，并将这些基因保存在体内。
The sea slugs are so good at gathering energy from the sun that they can live up to nine months without having to eat any food. They get all their nutritional needs met by the genes that they’ve hijacked from the algae.海蛞蝓非常善于从太阳收集能量，它们可以活到九个月而不必吃任何食物。
它们从藻类中获取的基因满足了它们所有的营养需求。
2019年12月大学英语四级考试真题（三）单词：equivalent 等同物 renovate 修复；翻新thrive 兴旺 primary 主要的shimmering 闪烁的 implement 使生效waterborne 水运的 opponent 对手，敌手alert 警戒 utter 完全的，彻底的emit 发射；发表 symbolize 象征auspicious 吉祥的句子：While the city council vote was met with applause inside the council room, opponents to the measure, including soda lobbyists, made sharp criticisms and a promise to challenge the tax in court.尽管市议会的投票在议会会议室内获得了掌声，但包括苏打水说客在内的反对者提出了尖锐的批评，并承诺在法庭上挑战税收。
Until now, the only city to successfully pass and implement a soda tax was Berkeley, California, in 2014.到目前为止，唯一成功通过并实施苏打水税的城市是2014年的加州伯克利。
Among common kitchen appliances used for cooking, microwaves are the most energy efficient, followed by a stove and finally a standard oven. Thus, rising microwave sales could be seen as a positive thing. 在常用的烹饪用具中，微波炉是最节能的，其次是炉子，最后是标准的烤箱。
因此，微波炉销量的上升可以看作是一件积极的事情。
2020年7月大学英语四级考试真题组合卷单词：Machine translation 机器翻译Human translation 人工翻译interpretation 口译Group purchase app 团购应用程序common language 通用语言The official language 官方语言Ladde阶梯 nomination 提名submission 屈服屈从 suggesting 显示，表明Accessible 易进入的，易使用的considerable 相当大的Senior 资深的，高级的 enhance 增强Adaptation 改编版 condiment 调味品，佐料Delicious cuisine 佳肴 chili pepper 辣椒Slices of meat 肉片the Yuan Yang Hot Pot 鸳鸯火锅Ingredient 配料句子：The research team say they believe the “alert-but-passive” nature of television watching may be creating stress on the mind which contributes tomemory decline.研究小组说，他们相信看电视的“警觉而被动”的本质可能会给大脑造成压力，从而导致记忆力下降。
It’s late in the evening: time to close the book and turn off the computer.已经很晚了：该关上书关上电脑了。
2020年9月大学英语四级考试真题（一）单词：A collection of books 藏书be entitled to... 有……资格Diverse 多种多样的 publication 出版，出版物Comprehensive 综合的 national library 国家图书馆Accessible 易到达的 register 记录登记Extreme 极大的，极端的 inaction 不作为，无行动Proposition 提议，建议 rebelled 造反，反抗Definitely 确切的，肯定的 incredibly 极端的wine 葡萄酒 intage 佳酿的vineyard 葡萄园 Spirit /liquor 白酒，烈性酒brew/make 酿造句子：To sum up, we get a much easier access to knowledge by using online libraries, which are a powerful tool for modern people to read, study and research.综上所述，网络图书馆是现代人阅读、学习和研究的有力工具，使我们更容易获得知识。